4011 D7 Expansion Mod D715, D725, D765, Snom, Mfr#: D7BK

D7 Expansion Module in Black- Supports all 700 series telephones with USB ports- High-resolution graphical display with backlight - 18 freely programmable multicolor LED function keys - Dual-angle foot stand: 46 Degrees and 28 Degrees - Fully configurable via host phone - 18 highly configurable self-labelling LED keys - High-resolution black & white display with backlight- Daisy chain up to 3 modules - Plug and play- Power supplied by phone via USB port for first D7 module